Allen Bradley 1794-TB32S Flex I/O Terminal Docking Unit
Allen Bradley 1794-TB32S Flex I/O Terminal Docking Unit
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Brand:Allen Bradley PLC Item No.:1794-TB32S Product Origin:USA Product Dimensions:94 x 94 x 69 mm Product Weight:0.2 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen-Bradley 1794-TB32S Flex I/O Terminal Docking Unit is a high-density spring-clamp terminal base used in distributed industrial automation systems. It serves as the connection interface between field wiring and Flex I/O modules, enabling modular system design and efficient maintenance.
By separating wiring from the I/O module itself, the system allows modules to be replaced quickly without disturbing field wiring. This improves uptime and reduces maintenance complexity in industrial environments.
The 1794-TB32S is widely used in large-scale automation systems where high channel density, flexible expansion, and reliable wiring connections are required.
Technical Specifications
Parameter
Specification
Product Model
1794-TB32S
Product Type
Flex I/O Terminal Base Unit
Brand
Allen-Bradley
System Platform
Flex I/O
Terminal Type
Spring-clamp
Channel Capacity
32-point configuration
Mounting Type
DIN rail
Function
Wiring and backplane interface
Application
Distributed industrial automation
Dimensions
94 × 94 × 69 mm
Weight
0.2 kg (0.44 lb)
Industrial Applications
The Allen-Bradley 1794-TB32S is a Flex I/O terminal base unit used as the wiring and docking interface for Flex I/O modules in distributed automation systems. It provides the electrical connection between field wiring and I/O modules while supporting modular system architecture.
Typical applications include:
PLC-based distributed I/O systems
Factory automation systems
Process control installations
Packaging and assembly machinery
Conveyor and material handling systems
Remote I/O stations
Industrial machine control systems
High-density automation systems
Product Advantages
High-density 32-point terminal configuration
Spring-clamp wiring design for secure connections
Supports Flex I/O modular plug-in modules
Enables fast module replacement without rewiring
Reduces control cabinet wiring complexity
DIN rail mounting for easy installation
Reliable electrical interface to Flex I/O backplane
Suitable for scalable distributed systems
Technical FAQs
1. What is the main function of this unit?
It provides the physical wiring and docking interface for Flex I/O modules.
2. Does it process signals?
No, it only provides electrical connection and signal routing.
3. What system is it used in?
It is part of the Allen-Bradley Flex I/O distributed I/O platform.
4. What does the “S” indicate in TB32S?
It indicates a spring-clamp terminal design.
5. Can modules be replaced without rewiring?
Yes, field wiring remains on the base during module replacement.
6. What types of modules are supported?
Digital, analog, relay, and specialty Flex I/O modules.
7. How is it installed?
It mounts on a DIN rail as part of a modular assembly.
8. Why is a terminal base important?
It provides structured wiring termination and backplane connection.
9. What industries use it?
Manufacturing, oil & gas, automotive, packaging, and process industries.
10. Is it reusable?
Yes, the base remains installed while modules are replaced.
